Answers

Add 63/2 and 45/63

1^st number: 31 1/2, 2^nd number: 45/63

63/2 + 45/63 is 451/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 2 × 63 = 126,
   63/2 = 63 × 63/2 × 63 = 3969/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   45/63 = 45 × 2/63 × 2 = 90/126
4. Add the two like fractions:
   3969/126 + 90/126 = 3969 + 90/126 = 4059/126
5. 4059/126 simplified gives 451/14
6. So, 63/2 + 45/63 = 451/14
   In mixed form: 323/14

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